source: rtems/c/src/lib/libbsp/mips/p4000/include/bsp.h @ 480fc6e

4.104.114.84.95
Last change on this file since 480fc6e was 480fc6e, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 4, 2003 at 6:52:15 PM

2003-09-04 Joel Sherrill <joel@…>

  • console/console.c, include/bsp.h, include/coverhd.h, startup/bspclean.c, startup/bspstart.c, startup/setvec.c: URL for license changed.
  • Property mode set to 100644
File size: 3.1 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains all board IO definitions.
4 *
5 *  XXX : put yours in here
6 *
7 *  COPYRIGHT (c) 1989-1999.
8 *  On-Line Applications Research Corporation (OAR).
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.rtems.com/license/LICENSE.
13 *
14 *  $Id$
15 */
16/* @(#)bsp.h       03/15/96     1.1 */
17
18#ifndef __P4000_BSP_h
19#define __P4000_BSP_h
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25#include <bspopts.h>
26
27#include <rtems.h>
28#include <console.h>
29#include <clockdrv.h>
30
31/*
32 *  confdefs.h overrides for this BSP:
33 *   - number of termios serial ports (defaults to 1)
34 *   - Interrupt stack space is not minimum if defined.
35 */
36
37/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
38#define CONFIGURE_INTERRUPT_STACK_MEMORY  (4 * 1024)
39
40extern void WriteDisplay( char * string );
41
42/*
43 *  Define the time limits for RTEMS Test Suite test durations.
44 *  Long test and short test duration limits are provided.  These
45 *  values are in seconds and need to be converted to ticks for the
46 *  application.
47 *
48 */
49
50#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
51#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
52
53/*
54 *  Stuff for Time Test 27
55 */
56
57#define MUST_WAIT_FOR_INTERRUPT 0
58
59#define Install_tm27_vector( handler ) set_vector( (handler), 0, 1 )
60
61#define Cause_tm27_intr()
62
63#define Clear_tm27_intr()
64
65#define Lower_tm27_intr()
66
67extern unsigned32 mips_get_timer( void );
68
69#define CPU_CLOCK_RATE_MHZ     (50)
70#define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) /* equivalent to CPU clock speed in MHz */
71
72/*
73 *  Simple spin delay in microsecond units for device drivers.
74 *  This is very dependent on the clock speed of the target.
75 *
76 *  NOTE: This macro generates a warning like "integer constant out
77 *        of range" which is safe to ignore.  In 64 bit mode, unsigned32
78 *        types are actually 64 bits long so that comparisons between
79 *        unsigned32 types and pointers are valid.  The warning is caused
80 *        by code in the delay macro that is necessary for 64 bit mode.
81 */
82
83#define rtems_bsp_delay( microseconds ) \
84  { \
85     unsigned32 _end_clock = \
86          mips_get_timer() + microseconds * CLOCKS_PER_MICROSECOND; \
87     _end_clock %= 0x100000000;  /* make sure result is 32 bits */ \
88     \
89     /* handle timer overflow, if necessary */ \
90     while ( _end_clock < mips_get_timer() );  \
91     \
92     while ( _end_clock > mips_get_timer() ); \
93  }
94
95/* Constants */
96
97#define RAM_START 0
98#define RAM_END   0x100000
99
100/* miscellaneous stuff assumed to exist */
101
102extern rtems_configuration_table BSP_Configuration;
103
104/*
105 *  Device Driver Table Entries
106 */
107
108/*
109 * NOTE: Use the standard Console driver entry
110 */
111 
112/*
113 * NOTE: Use the standard Clock driver entry
114 */
115
116/* miscellaneous stuff assumed to exist */
117
118mips_isr_entry set_vector(                      /* returns old vector */
119  rtems_isr_entry     handler,                  /* isr routine        */
120  rtems_vector_number vector,                   /* vector number      */
121  int                 type                      /* RTEMS or RAW intr  */
122);
123
124#ifdef __cplusplus
125}
126#endif
127
128#endif
129/* end of include file */
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